High Quality Complete set of 14 Ball Bearings for Radio Shack XMODS 1/28 Wide Track Upgrade, Set Contains Total of 14 Bearings. 6 Wide and 8 Regular bearings All Open, the wide bearings goes in 6 locations, 4 in the inner and outer front wheels and 2 in the outer rear axles.This upgrade will cancel any side to side play. will make your Xmod more stable.